src/mesa/drivers/dri/nouveau/nv04_context.c

   1 /*
   2  * Copyright (C) 2009-2010 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #include "nouveau_driver.h"
  28 #include "nouveau_context.h"
  29 #include "nouveau_fbo.h"
  30 #include "nouveau_util.h"
  31 #include "nouveau_class.h"
  32 #include "nv04_driver.h"
  33
  34 struct nouveau_grobj *
  35 nv04_context_engine(GLcontext *ctx)
  36 {
  37         struct nv04_context *nctx = to_nv04_context(ctx);
  38         struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
  39         struct nouveau_grobj *fahrenheit;
  40
  41         if (ctx->Texture.Unit[0].EnvMode == GL_COMBINE ||
  42             ctx->Texture.Unit[0].EnvMode == GL_BLEND ||
  43             ctx->Texture.Unit[0].EnvMode == GL_ADD ||
  44             ctx->Texture.Unit[1]._ReallyEnabled ||
  45             ctx->Stencil.Enabled)
  46                 fahrenheit = hw->eng3dm;
  47         else
  48                 fahrenheit = hw->eng3d;
  49
  50         if (fahrenheit != nctx->eng3d) {
  51                 nctx->eng3d = fahrenheit;
  52
  53                 if (nv04_mtex_engine(fahrenheit)) {
  54                         context_dirty_i(ctx, TEX_ENV, 0);
  55                         context_dirty_i(ctx, TEX_ENV, 1);
  56                         context_dirty_i(ctx, TEX_OBJ, 0);
  57                         context_dirty_i(ctx, TEX_OBJ, 1);
  58                         context_dirty(ctx, CONTROL);
  59                         context_dirty(ctx, BLEND);
  60                 } else {
  61                         context_bctx_i(ctx, TEXTURE, 1);
  62                         context_dirty_i(ctx, TEX_ENV, 0);
  63                         context_dirty_i(ctx, TEX_OBJ, 0);
  64                         context_dirty(ctx, CONTROL);
  65                         context_dirty(ctx, BLEND);
  66                 }
  67         }
  68
  69         return fahrenheit;
  70 }
  71
  72 static void
  73 nv04_channel_flush_notify(struct nouveau_channel *chan)
  74 {
  75         struct nouveau_context *nctx = chan->user_private;
  76         GLcontext *ctx = &nctx->base;
  77
  78         if (nctx->fallback < SWRAST) {
  79                 /* Flushing seems to clobber the engine context. */
  80                 context_emit(ctx, TEX_OBJ0);
  81                 context_emit(ctx, TEX_OBJ1);
  82                 context_emit(ctx, TEX_ENV0);
  83                 context_emit(ctx, TEX_ENV1);
  84                 context_emit(ctx, CONTROL);
  85                 context_emit(ctx, BLEND);
  86
  87                 nouveau_bo_state_emit(ctx);
  88         }
  89 }
  90
  91 static void
  92 nv04_hwctx_init(GLcontext *ctx)
  93 {
  94         struct nouveau_channel *chan = context_chan(ctx);
  95         struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
  96         struct nouveau_grobj *surf3d = hw->surf3d;
  97         struct nouveau_grobj *eng3d = hw->eng3d;
  98         struct nouveau_grobj *eng3dm = hw->eng3dm;
  99
 100         BIND_RING(chan, surf3d, 7);
 101         BEGIN_RING(chan, surf3d, NV04_CONTEXT_SURFACES_3D_DMA_NOTIFY, 3);
 102         OUT_RING(chan, hw->ntfy->handle);
 103         OUT_RING(chan, chan->vram->handle);
 104         OUT_RING(chan, chan->vram->handle);
 105
 106         BEGIN_RING(chan, eng3d, NV04_TEXTURED_TRIANGLE_DMA_NOTIFY, 4);
 107         OUT_RING(chan, hw->ntfy->handle);
 108         OUT_RING(chan, chan->vram->handle);
 109         OUT_RING(chan, chan->gart->handle);
 110         OUT_RING(chan, surf3d->handle);
 111
 112         BEGIN_RING(chan, eng3dm, NV04_MULTITEX_TRIANGLE_DMA_NOTIFY, 4);
 113         OUT_RING(chan, hw->ntfy->handle);
 114         OUT_RING(chan, chan->vram->handle);
 115         OUT_RING(chan, chan->gart->handle);
 116         OUT_RING(chan, surf3d->handle);
 117
 118         FIRE_RING(chan);
 119 }
 120
 121 static void
 122 init_dummy_texture(GLcontext *ctx)
 123 {
 124         struct nouveau_surface *s = &to_nv04_context(ctx)->dummy_texture;
 125
 126         nouveau_surface_alloc(ctx, s, SWIZZLED,
 127                               NOUVEAU_BO_MAP | NOUVEAU_BO_VRAM,
 128                               MESA_FORMAT_ARGB8888, 1, 1);
 129
 130         nouveau_bo_map(s->bo, NOUVEAU_BO_WR);
 131         *(uint32_t *)s->bo->map = 0xffffffff;
 132         nouveau_bo_unmap(s->bo);
 133 }
 134
 135 static void
 136 nv04_context_destroy(GLcontext *ctx)
 137 {
 138         struct nouveau_context *nctx = to_nouveau_context(ctx);
 139
 140         nv04_surface_takedown(ctx);
 141         nv04_render_destroy(ctx);
 142         nouveau_surface_ref(NULL, &to_nv04_context(ctx)->dummy_texture);
 143
 144         nouveau_grobj_free(&nctx->hw.eng3d);
 145         nouveau_grobj_free(&nctx->hw.eng3dm);
 146         nouveau_grobj_free(&nctx->hw.surf3d);
 147
 148         nouveau_context_deinit(ctx);
 149         FREE(ctx);
 150 }
 151
 152 static GLcontext *
 153 nv04_context_create(struct nouveau_screen *screen, const GLvisual *visual,
 154                     GLcontext *share_ctx)
 155 {
 156         struct nv04_context *nctx;
 157         struct nouveau_hw_state *hw;
 158         GLcontext *ctx;
 159         int ret;
 160
 161         nctx = CALLOC_STRUCT(nv04_context);
 162         if (!nctx)
 163                 return NULL;
 164
 165         ctx = &nctx->base.base;
 166         hw = &nctx->base.hw;
 167
 168         if (!nouveau_context_init(ctx, screen, visual, share_ctx))
 169                 goto fail;
 170
 171         hw->chan->flush_notify = nv04_channel_flush_notify;
 172
 173         /* GL constants. */
 174         ctx->Const.MaxTextureCoordUnits = NV04_TEXTURE_UNITS;
 175         ctx->Const.MaxTextureImageUnits = NV04_TEXTURE_UNITS;
 176         ctx->Const.MaxTextureUnits = NV04_TEXTURE_UNITS;
 177         ctx->Const.MaxTextureMaxAnisotropy = 2;
 178         ctx->Const.MaxTextureLodBias = 15;
 179
 180         /* 2D engine. */
 181         ret = nv04_surface_init(ctx);
 182         if (!ret)
 183                 goto fail;
 184
 185         /* 3D engine. */
 186         ret = nouveau_grobj_alloc(context_chan(ctx), 0xbeef0001,
 187                                   NV04_TEXTURED_TRIANGLE, &hw->eng3d);
 188         if (ret)
 189                 goto fail;
 190
 191         ret = nouveau_grobj_alloc(context_chan(ctx), 0xbeef0002,
 192                                   NV04_MULTITEX_TRIANGLE, &hw->eng3dm);
 193         if (ret)
 194                 goto fail;
 195
 196         ret = nouveau_grobj_alloc(context_chan(ctx), 0xbeef0003,
 197                                   NV04_CONTEXT_SURFACES_3D, &hw->surf3d);
 198         if (ret)
 199                 goto fail;
 200
 201         init_dummy_texture(ctx);
 202         nv04_hwctx_init(ctx);
 203         nv04_render_init(ctx);
 204
 205         return ctx;
 206
 207 fail:
 208         nv04_context_destroy(ctx);
 209         return NULL;
 210 }
 211
 212 const struct nouveau_driver nv04_driver = {
 213         .context_create = nv04_context_create,
 214         .context_destroy = nv04_context_destroy,
 215         .surface_copy = nv04_surface_copy,
 216         .surface_fill = nv04_surface_fill,
 217         .emit = (nouveau_state_func[]) {
 218                 nv04_defer_control,
 219                 nouveau_emit_nothing,
 220                 nv04_defer_blend,
 221                 nv04_defer_blend,
 222                 nouveau_emit_nothing,
 223                 nouveau_emit_nothing,
 224                 nouveau_emit_nothing,
 225                 nouveau_emit_nothing,
 226                 nouveau_emit_nothing,
 227                 nouveau_emit_nothing,
 228                 nv04_defer_control,
 229                 nouveau_emit_nothing,
 230                 nv04_defer_control,
 231                 nouveau_emit_nothing,
 232                 nv04_defer_control,
 233                 nv04_defer_control,
 234                 nouveau_emit_nothing,
 235                 nv04_emit_framebuffer,
 236                 nv04_defer_blend,
 237                 nouveau_emit_nothing,
 238                 nouveau_emit_nothing,
 239                 nouveau_emit_nothing,
 240                 nouveau_emit_nothing,
 241                 nouveau_emit_nothing,
 242                 nouveau_emit_nothing,
 243                 nouveau_emit_nothing,
 244                 nouveau_emit_nothing,
 245                 nouveau_emit_nothing,
 246                 nouveau_emit_nothing,
 247                 nouveau_emit_nothing,
 248                 nouveau_emit_nothing,
 249                 nouveau_emit_nothing,
 250                 nouveau_emit_nothing,
 251                 nouveau_emit_nothing,
 252                 nouveau_emit_nothing,
 253                 nouveau_emit_nothing,
 254                 nouveau_emit_nothing,
 255                 nouveau_emit_nothing,
 256                 nouveau_emit_nothing,
 257                 nouveau_emit_nothing,
 258                 nouveau_emit_nothing,
 259                 nouveau_emit_nothing,
 260                 nouveau_emit_nothing,
 261                 nouveau_emit_nothing,
 262                 nouveau_emit_nothing,
 263                 nouveau_emit_nothing,
 264                 nouveau_emit_nothing,
 265                 nouveau_emit_nothing,
 266                 nv04_emit_scissor,
 267                 nv04_defer_blend,
 268                 nv04_defer_control,
 269                 nv04_defer_control,
 270                 nv04_defer_control,
 271                 nv04_emit_tex_env,
 272                 nv04_emit_tex_env,
 273                 nouveau_emit_nothing,
 274                 nouveau_emit_nothing,
 275                 nouveau_emit_nothing,
 276                 nouveau_emit_nothing,
 277                 nouveau_emit_nothing,
 278                 nouveau_emit_nothing,
 279                 nouveau_emit_nothing,
 280                 nouveau_emit_nothing,
 281                 nouveau_emit_nothing,
 282                 nouveau_emit_nothing,
 283                 nv04_emit_tex_obj,
 284                 nv04_emit_tex_obj,
 285                 nouveau_emit_nothing,
 286                 nouveau_emit_nothing,
 287                 nouveau_emit_nothing,
 288                 nv04_emit_blend,
 289                 nv04_emit_control,
 290         },
 291         .num_emit = NUM_NV04_STATE,
 292 };